<template>
  <div>
    <h1>{{id?'编辑':'新建'}}广告</h1>
    <el-form @submit.native.prevent="saveArticle" ref="form" :model="model" label-width="80px">
      
      <el-form-item label="名称">
        <el-input v-model="model.name"></el-input>
      </el-form-item>
      <el-form-item label="广告">
        <el-button size="small" @click="model.items.push({})"><i class="el-icon-plus"></i>添加广告</el-button>
        <el-row type="flex" style="flex-wrap:wrap">
          <el-col :md="12" v-for="(item,index) in model.items" :key="index">
            <el-form-item label="图片地址">
                  <el-input v-model="item.url"></el-input>
            </el-form-item>
            <el-form-item label="图片" style="margin-top:3rem">
                  <el-upload
                    class="avatar-uploader"
                    :action="$http.defaults.baseURL + 'upload'"
                    :show-file-list="false"
                    :headers='getHeader()'
                    :on-success="res=>$set(item,'img',res.url)">
                    <img v-if="item.img" :src="item.img" class="banner">
                    <i v-else class="el-icon-plus avatar-uploader-icon"></i>
                  </el-upload>
            </el-form-item>
            <el-form-item>
              <el-button type="danger" size="small" @click="model.items.splice(index,1)">删除</el-button>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form-item>
      
      <el-form-item>
        <el-button type="primary" native-type="submit" @click="onSubmit">保存</el-button>
      </el-form-item>
    </el-form>
  </div>
</template>


<script>
  export default {
    props:{
      id:{}
    },
    data() {
      return {
        model: {
          items:[]
        },
      }
    },
    created() {
      this.id && this.feach();
      
    },
    methods: {
      async feach(){
        const res = await this.$http.get(`rest/ads/${this.id}`)
        this.model=Object.assign({},this.model,res.data)//res.data
      },
      onSubmit() {
        console.log('start!');
      },
      async saveArticle(){
        let res
        if (this.id) {//编辑
          res = await this.$http.put(`rest/ads/${this.id}`,this.model)
        }else{//新建
          res = await this.$http.post('rest/ads',this.model)
        } 
        this.$router.push('/ads/list')
        console.log(res.data);
        this.$message({
            message: '保存成功',
            type: 'success'
        });
      },
    }
  }
</script>
<style lang="css">
/*   .avatar{
    width: 10rem !important;
  } */
</style>